Overly broad permissions can turn one compromised account into a much larger security problem. Learn how to reduce unnecessary access, review privileges, and apply least privilege across modern Linux systems. Review Linux Privileges×

Alerts This Week
Warning Icon 1 524
Alerts This Week
Warning Icon 1 524

SUSE: 2021:3353-1 Important: Webkit2gtk3 Arbitrary Code Execution Fix

suse
Calendar Grey October 12, 2021
Scroller Suse
SUSE enhances webkit2gtk3 to resolve critical vulnerabilities, such as potential arbitrary code execution threats.
An update that fixes two vulnerabilities is now available

Summary

This update for webkit2gtk3 fixes the following issues: - Update to version 2.32.4 - CVE-2021-30858: Fixed a security bug that could allow maliciously crafted web content to achieve arbitrary code execution. (bsc#1190701) - CVE-2021-21806: Fixed an exploitable use-after-free vulnerability via specially crafted HTML web page. (bsc#1188697) Patch Instructions: To install this SUSE Security Update use the SUSE recommended installation methods like YaST online_update or "zypper patch". Alternatively you can run the command listed for your product: - SUSE Linux Enterprise Module for Desktop Applications 15-SP3: zypper in -t patch SUSE-SLE-Module-Desktop-Applications-15-SP3-2021-3353=1 - SUSE Linux Enterprise Module for Desktop Applications 15-SP2:

References

#1188697 #1190701

Cross- CVE-2021-21806 CVE-2021-30858

CVSS scores:

CVE-2021-21806 (NVD) : 8.8 CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

CVE-2021-21806 (SUSE): 8.8 CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

CVE-2021-30858 (NVD) : 8.8 CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

CVE-2021-30858 (SUSE): 8.8 CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Affected Products:

SUSE Linux Enterprise Module for Desktop Applications 15-SP3

SUSE Linux Enterprise Module for Desktop Applications 15-SP2

SUSE Linux Enterprise Module for Basesystem 15-SP3

SUSE Linux Enterprise Module for Basesystem 15-SP2

https://www.suse.com/security/cve/CVE-2021-21806.html

https://www.suse.com/security/cve/CVE-2021-30858.html

https://bugzilla.suse.com/1188697

Severity
important
Lowest
Low
Medium
High
Critical

Announcement ID: SUSE-SU-2021:3353-1
Rating: important

Get the latest News and Insights

Get the latest Linux and open source security news straight to your inbox.